CYP2C9 gene

The CYP2C9 gene provides instructions for making an enzyme that helps the body process certain medications, such as warfarin and some antidepressants. Variations in this gene can affect how quickly or slowly these drugs are broken down, influencing their effectiveness and risk of side effects. Knowing a person’s CYP2C9 status can help doctors personalize medication doses for safer and more effective treatment. Essentially, this gene plays a key role in how your body handles some drugs, impacting their safety and efficiency.